The amount of expansion space to be left in a fuel tank when fuel oil is being received, is determined by the （）.
Which of the actions listed should be taken FIRST to control an oil fire in a fuel oil tank?（）
Machinery driving fuel oil transfer and fuel oil service pumps must be fitted with a remote means of stopping the machinery from （）.
Which of the listed conditions can be used to determine if lube oil has been diluted by fuel? （）
What color exhaust will be exhibited when a slow speed two-stroke/cycle main propulsion diesel engine, designed to operate on light and heavy fuel oil, is operated on insufficiently preheated heavy fuel oil?（）
Heavy fuel oils generally have an upper average ash content of 0~1% by weight.Which of the following conditions could be expected if the ash content increase above this amount?（）
To receive oil residues from the purification of fuel and lubricating oils in the machinery spaces, what kind of tank(s) should be provided on board?（）
When fuel oil is accidentally missed with lube oil which of the following processes can be used to separate them?（） Ⅰ.filtering Ⅱ.settling
When you are transferring fuel oil to the setting tanks, precautions to be observed should include （）
If a used lube oil analysis indicates excessive fuel dilution, the lube oil should be （）
If the sump（）were to rise this would indicate water leakage into the oil an d an investigation into the cause must be made.
If the overflow tank high-level alarm sounds while the fuel oil tanks are being topped off, the engineer should （）.
When preparing a ship for heavy weather，fuel oil day tanks should be（）.
Which of the following operations need to be entered on the Oil Record Book Part I? （） (1) Ballast of fuel oil tanks (2) Condition of oil discharge monitoring and control system
Which of the following operations need NOT to be entered on the Oil Record Book Part I?（） (1) Disposal of oil residues (2) Internal transfer of fuel oil
Fuel oil is thought to be one of the main factors （） the operation and maintenance of an engine.
A dirty fuel oil filter is can be detected by （） Ⅰ.fuel oil analysis Ⅱ.observing the pressure drop across the filter
Injectors for use with heavy fuel oil must be cooled by either water or light oil to （）
After taking on fuel oil, the hoses should be disconnected and （）.
Each fire hydrant serving machinery spaces containing oil fired boilers，internal combustion machinery，or oil fuel units must be equipped with a（）.
If you detect oil in the water around your vessel while discharging fuel, the FIRST thing to do is（）.
Which of the following conditions could be a cause of excessive fuel dilution of diesel engine lube oil?（）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated （）
In purification, there is no fuel oil in the clean oil outlet.It could be caused by _____. I.too high temperature of the dirty fuel oil; II. too low temperature of the dirty fuel oil; III. Clogged filter
